The world’s rising seas threaten millions of people living in coastal areas. A higher baseline level of water brings more frequent flooding that can sweep away roads, buildings and other important ...

For around 2,000 years, global sea levels varied little. That changed in the 20th century. They started rising and have not stopped since — and the pace is accelerating. Scientists are scrambling to ...

A study published in Nature on March 4, 2026, found that more than 99% of coastal hazard assessments conducted over the past 16 years used flawed sea-level data, meaning actual ocean levels are ...

Fossil coral exposed in a limestone outcrop above present sea level in the Seychelles. Newly uncovered evidence from fossil corals suggests that sea levels could rise even more steeply in our warming ...

Standing on the coast and looking out to sea, you cannot detect the changes with the naked eye. But in northern Germany, sea levels are rising, as is the risk of flooding for the lower-lying coastal ...

Florida's coastal landscape would dramatically change if sea levels rise over a certain level, a projection map by the National Oceanic and Atmospheric Administration (NOAA) shows. The map reveals how ...